---
cve: "CVE-2026-5343"
severity: "HIGH"
cvss: 7.4
epss: "26%"
vendor: "Drupal"
kev: false
exploited: false
published: "2026-05-28 23:16:44"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T08:52:39+02:00"
---

# CVE-2026-5343

> 7.4 HIGH

## Beschreibung

Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal SAML SSO - Service Provider allows Privilege Escalation.

This issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.4.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- 50adfaea91a0ba58abb61db208e31665cb5fb406 (Commit)

## Referenzen

- <https://www.drupal.org/sa-contrib-2026-031>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-5343) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_